Optical Scanning Device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20180288263A1
SERIAL NO

15939428

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In an optical scanning device, an optical deflector includes a base plate, a rotor having an axis of rotation orthogonal to the base plate, and a polygon mirror fixed to the rotor; the polygon mirror has a plurality of reflecting surfaces tilted at a predetermined angle with respect to the axis of rotation. Protrusions protruding from a bottom surface of a frame have bearing surfaces at respective distal ends thereof; the bearing surfaces are in contact with the base plate. The bottom surface includes a first region on which a first protrusion is disposed, and a second region on which a second protrusion is disposed, and a distance between the first region and a scanning plane containing optical axes in cross sections taken along a sub scanning direction of a scanning lens is different from a distance between the second region and the scanning plane.

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Patent Owner(s)

Patent OwnerAddress
BROTHER KOGYO KABUSHIKI KAISHANAGOYA-SHI AICHI 467-8561

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kusuda, Shinya Nagoya-shi, JP 19 127

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